In most auto factories, the leftover steel cutouts are stacked up, then sold to a foundry, where they are melted with other bits of steel and converted into scrap metal.
FORBES: How GM Makes $1 Billion A Year By Recycling Waste
2.
Blue Star Steel saves money buying scrap steel, and the environment is spared additional greenhouse gas emissions from a foundry.
FORBES: How GM Makes $1 Billion A Year By Recycling Waste